Bump ordered-float from 3.9.0 to 3.9.1 (#2111)

Bumps [ordered-float](https://github.com/reem/rust-ordered-float) from
3.9.0 to 3.9.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/reem/rust-ordered-float/releases">ordered-float's
releases</a>.</em></p>
<blockquote>
<h2>v3.9.1</h2>
<ul>
<li>Fix build error with the <code>rkyv</code> feature enabled (<a
href="https://redirect.github.com/reem/rust-ordered-float/issues/137">#137</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/reem/rust-ordered-float/commit/398a794a0e31a88997c1cfd256bb334a0d24e8c1"><code>398a794</code></a>
Enable the <code>rend</code> feature of <code>rkyv</code></li>
<li>See full diff in <a
href="https://github.com/reem/rust-ordered-float/compare/v3.9.0...v3.9.1">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>